Mammoth’s 10 year Peace of Mind

A Mammoth mattress is an investment in your life and wellbeing. We want you to sleep well, and part of that is knowing that your new mattress will be looked after by us should a manufacturing fault occur. We are so confident in our products and how well made they are that we offer 10 years of cover through our 5+5 warranty.

The 5+5 means that your mattress is covered with our 5 year guarantee, then followed by a further 5 years under our warranty.

Simply complete the form to the right and we will have you covered.
You will receive your 10 Year warranty, certificate of authenticity and Mammoth's sleep tips in the post in due course.

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Frequently asked questions

We know you will be itching to get into bed, but the first thing you should do is register your guarantee at here.
Please also ensure you keep your receipt or Proof of Purchase somewhere safe.
You will need this in the event you need to report a complaint under your Guarantee.
We know you will be itching to get into bed, but the first thing you should do is register your guarantee at here.
Please also ensure you keep your receipt or Proof of Purchase somewhere safe.
You will need this in the event you need to report a complaint under your Guarantee.

Don’t you love the smell of new things? All mattresses are manufactured at the time of order and sealed in protective wraparounds to ensure perfect presentation upon arrival. Smells are good news as it means your mattress has been made freshly for you! Initial odours are common after removal of the protective packaging and is normal. Most people don’t even notice, but those with heightened senses may report a “foam” odour, or a damp or musty smell. On taking delivery, it is a good idea to leave the mattress to air in a well-ventilated room. Regularly airing your mattress ensures proper maintenance and will help dissipate any odours.

Others are more sensitive to smells than others. Whilst a mattress may always retain an inherent odour if you smell it at close quarters, you should notice that any smell which is noticeable when you enter a room has greatly reduced within 3 months, providing you have followed the instructions above.

This is a good sign – it means your mattress conforms to all UK Fire Regulations. You may notice that the surface of your mattress feels damp when it is unpacked. We are required to treat certain mattress fabrics with a harmless Fire Retardant at source, in order to comply with the Regulations. This material is salt based, which will absorb moisture. When weather conditions are humid, or there is a lot of rain, this effect will be exaggerated, and when the mattress is packed into a bag, condensation may form, causing a damp feeling on the mattress. The feeling of damp will disappear quickly and should not materialise again, unless your  mattress is kept in a particularly humid room.
Fortunately not! You should never “flip” your mattress, but you need to rotate the mattress regularly to encourage even wear. You should rotate your mattress head to foot (180 degrees) every week for the first six months, and then once per month from that point.

Body impressions are a characteristic of quality mattresses working as they should by conforming to the shape of your body.

You should expect to see impressions, sometimes described as settlement or “dipping”.

With regards to settlement, what is acceptable can vary from case to case depending on the individual using the product, the depth of the mattress, and the materials used. The Furniture Industry Research Association (FIRA) provide guidelines which suggest that settlement of between 2 and 4cm in depth is acceptable for a mattress that is 5 years old. In addition, settlement depth may be higher when the mattress has been recently used, and if not used for a while, the mattress will recover some height. We will not normally consider settlement to be a fault. In the event of a dispute in this area, we are able to arrange for a FIRA Inspection at a cost of £50 + VAT. Mammoth will consider FIRA’s findings as final. In the event a fault is found within the Guarantee Period, the £50 + VAT will be refunded and the product replaced or repaired

Like a new pair of shoes, your mattress will soften after a period of time, particularly in the areas you lie (sometimes described as “dipping”). This is not a problem, and is actually a sign the mattress is working with the weight of your body. There is even a British Standard on this (BS3379:2005)

If a mattress has been displayed in a shop as a “floor model” that mattress may have already been bounced on many times, and may feel softer than the new mattress you will be delivered. It can take a few weeks, even months, for the mattress to fully settle down.

No! Your mattress and bed are designed to be lied on, not sat on for long periods of time. If you do, you will notice uneven wear in the mattress Please don’t let the children (or adults for that matter) jump up and down on the mattress!
We recommend the use of a mattress protector in addition to the removable washable protector. Unfortunately, if a mattress is soiled in any way, due to dropping a glass of wine for example, your Guarantee will be invalid, and a mattress protector helps prevent this.
If your mattress has an integrated mattress protector on the top of the mattress, this can be laundered on a gentle wash at 40ºC. Please note: DO NOT tumble dry this protector as this will damage the product and void your warranty.
All of our products comply with the appropriate legislation as detailed in The Furniture and Furnishings (Fire) (Safety) Regulations 1988. Certificates are available on request.
All of our products are manufactured in the UK, and 100% of our raw materials are sourced through UK based organisations
We recommend you use your mattress with a new base supplied by us, for a longer life, and better mattress performance. Placing a new mattress on an old base may contribute to a fault developing within the mattress. When the mattress is being used on a slatted bedframe, we ideally recommend that the space between the slats is not more than 7.5cm to minimise uneven softening and settlement, and that there is a central support leg for double sizes and above.

We manufacture our mattresses to metric sizes as below (for standard sizes):

Single:  90cm x 190cm (3ft x 6ft3)

Double:  135cm x 190cm (4ft6 x 6ft3)

King:  150cm x 200cm (5ft x 6ft6)

Superking:  180cm x 200cm (6ft x 6ft6)

In line with BS 1334:1996 , we have a +/- 20mm size tolerance on all mattresses and beds. In addition, many bed frames are still manufactured using imperial measurements (which are in brackets above). These imperial measurements are larger than the metric equivalent (so a “double imperial” frame would be 137cm x 191cm). If you have purchased an imperial frame with a metric mattress, the frame is likely to be bigger and therefore there may be a small gap. We believe that once bed linen is in place, this will be more than suitable.

We provide a standard 1 Year Guarantee on all our mattresses, which protects you against Manufacturing Defects. If you then register your product online, we will extend this to a 5 Year Guarantee, or 5+5 Limited Guarantee, and this will be clear on the label at the foot of your mattress (note if the label states “1 Year Guarantee” then this is the maximum guarantee available on that product). If you feel your product develops a fault within the period specified on the label of your mattress, please follow the below process. However, please read this document to make sure what you believe is an issue, is not actually normal before making the call. Please also note that the Guarantee/Warranty does not cover:

A normal increase in softness in the polymer filling material or a decrease in the slow recovery performance, which does not affect the pressure relieving properties.

Any smells relating to the mattress

Body indentations relating to normal settlement

Level of perceived comfort

Where a product has been purchased online, and the complaint is due to the “feel” of the mattress

Where the mattress has had more than 1 owner

The guarantee covers any deterioration, which causes the mattress to have a permanent indentation of considerably more than the guidelines issued by FIRA as referred to in point 6. The guarantee will cease to apply if The Foam Co. Ltd finds that during the guarantee period, any of the following applies:

• Abuse, misuse, or general wear and tear

• The mattress has been used on a slatted base with slats more than 7.5cm apart

• Any causes other than faulty manufacture or materials

• Where the product is soiled, has become wet, or in an unsanitary condition

• Where the customer care hints detailed in this document have not been applied – this includes not rotating the mattress as recommended

• Where the cover has been removed where the label does not state “removable, washable cover”

• A new mattress has been used with an existing, damaged divan or a divan that is deemed to be of unsuitable quality

In order to register your concern you will need to report the problem in writing to the retailer from whom you purchased the bed and they will handle your guarantee claim on your behalf and liaise with us. You will need to provide your Proof of Purchase in order for us to investigate your issue under your  Guarantee.

Should your retailer no-longer be in business, or you feel that that they are not assisting you, then please contact our customer service team on 01235 529148 and have the following available – proof of purchase, including date of purchase, product name and size plus description of problem. Our experienced team will give you an opinion on your issue. If your issues is covered by the FAQs, but you wish for us to arrange an inspection via a Third Party, we are able to instruct the Service Team of the Furniture Industry Research Association (FIRA) who are completely independent and linked to the Furniture Ombudsman. We will ask you to pay £50 for this service by Credit Card – in the event that FIRA deem the mattress to be faulty, we will repair or replace the mattress in line with the below, on a like-for-like basis (or for an equivalent specification in the event your product is discontunued) and refund your £50.

1 Year Guarantee Mattress replaced free of charge if the fault is reported within 12 months of your purchase

5 Year Guarantee Mattress replaced free of charge if the fault is reported within 5 Years of your purchase

5+5 Year Limited Guarantee Mattress replaced free of charge if the fault is reported within 5 Years of your purchase. After that, a pro rata amount of your original purchase price will apply as follows

Year 6 20% of the purchase price

Year 7 40% of the purchase price

Year 8 60% of the purchase price

Year 9 – 10 80% of the purchase price